Developments in police techniques and forensic science will in some instances make a positive contribution to the search for the truth, but the
possibility that these developments may be misinterpreted or their significance inflated is an ever - present danger — not to mention the fact we must never discount the
possibility, however remote we may want it to be, that in a future case zealousness overtakes reason and an Avery - like
perfect storm of malice, incompetence, and complacency touches down in this country.